85867825301731 has 4 divisors (see below), whose sum is σ = 93673991238264. Its totient is φ = 78061659365200.

The previous prime is 85867825301729. The next prime is 85867825301743. The reversal of 85867825301731 is 13710352876858.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85867825301731 - 2¹ = 85867825301729 is a prime.

It is a super-2 number, since 2×85867825301731² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85867825301711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3903082968250 + ... + 3903082968271.

It is an arithmetic number, because the mean of its divisors is an integer number (23418497809566).

Almost surely, 2^{85867825301731} is an apocalyptic number.

85867825301731 is a deficient number, since it is larger than the sum of its proper divisors (7806165936533).

85867825301731 is a wasteful number, since it uses less digits than its factorization.

85867825301731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7806165936532.

The product of its (nonzero) digits is 67737600, while the sum is 64.

The spelling of 85867825301731 in words is "eighty-five trillion, eight hundred sixty-seven billion, eight hundred twenty-five million, three hundred one thousand, seven hundred thirty-one".